objective create a high end photorealistic studio render of a custom upholstered sofa using the provided collage as the exact geometric reference sofa description a custom contemporary sofa with a tailored architectural profile the arms are gently tapered wider at the base slightly thinner at the top not rectangular at the bottom of each arm there is a precise recessed notch that allows the seat cushion to slide partially underneath the arm creating a clean shadow line and visible junction between arm and cushion the seat cushion is a single long mattress with softly rounded edges and a subtle thickness fitting tightly into the arm recesses the base and feet are fully upholstered in the same fabric as the sofa body no visible metal or wood legs fabric finish upholstered in soft matte velvet or brushed chenille in a warm grey taupe tone fabric texture should be visible but refined with clean seams and crisp upholstery lines no wrinkles no over softening composition camera 3 4 front studio view eye level or slightly elevated the sofa should be fully visible and centered neutral studio background off white or light warm grey soft even lighting with gentle shadows under the sofa to ground it critical constraints must follow preserve the exact arm seat junction and notch geometry from the reference collage do not simplify arms into straight rectangles do not eliminate the seat indentation under the arms no pillows no throws no accessories no environment no interior context style high end furniture catalog photography custom atelier sofa parisian modern classic precise proportions elegant and restrained output one clean cohesive realistic sofa render that looks like a single manufactured piece not a collage
